Desk tray



FIG. 1 is a perspective view of a desk tray showing my new design;

FIG. 2 is an enlarged scale top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view; and

FIG. 5 is a left side elevational view. 

The ornamental design for a desk tray, as shown and described. 